1. Oregon geology Publication/Creation: [Portland] : Oregon Dept. of Geology and Mineral Industries Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. Oregon geology Publication/Creation: Portland, Or. : Oregon Dept. of Geology and Mineral Industries Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Organic geochemistry Publication/Creation: [Oxford ; New York] : Pergamon Press, 1977- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading